217468927

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{149}}^1\times {\mathrm{311}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 249631200

約数和(自身を除く): 32162273

約数列:

[1, 13, 19, 149, 247, 311, 361, 1937, 2831, 4043, 4693, 5909, 36803, 46339, 53789, 76817, 112271, 602407, 699257, 880441, 1459523, 11445733, 16728379, 217468927]

約数ペア:

[(1, 217468927), (13, 16728379), (19, 11445733), (149, 1459523), (247, 880441), (311, 699257), (361, 602407), (1937, 112271), (2831, 76817), (4043, 53789), (4693, 46339), (5909, 36803)]